Illusory palinopsia
Illusory Palinopsia
Illusory Palinopsia (/ɪˌluːzəriː pælɪˈnɒpsiə/), from the Greek roots palin meaning "again" and opsia meaning "seeing", is a visual disturbance characterized by the persistent recurrence of a visual image after the stimulus has been removed.
Definition
Illusory Palinopsia is a type of Palinopsia, a broad term for a variety of conditions involving persistent or recurring visual images. Unlike Hallucinatory Palinopsia, which is often associated with brain damage or disease, Illusory Palinopsia is typically associated with normal brain function and is often triggered by movement, high contrast, or the adaptation to darkness.
Symptoms
Symptoms of Illusory Palinopsia can include afterimages or trailing phenomena, where moving objects leave a trail of images behind them. These symptoms can be distressing and may interfere with daily activities, but they are not typically associated with any physical harm or disease.
Causes
The exact cause of Illusory Palinopsia is unknown, but it is thought to be related to disruptions in the visual cortex, the part of the brain responsible for processing visual information. Some potential triggers include certain medications, migraine, and psychiatric disorders.
Treatment
Treatment for Illusory Palinopsia is typically focused on managing symptoms and may include medication, psychotherapy, or lifestyle changes to reduce exposure to triggering situations.
See Also
External links
- Medical encyclopedia article on Illusory palinopsia
- Wikipedia's article - Illusory palinopsia
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